• Reference
    Z368/2
  • Title
    Drawings
  • System of arrangement
    Drawings were numbered with a code for the year and job number within the year e.g. Job No 7329 was the 29th job begun in 1973. This numbering system was retained with the prefix Z368/2 added and an oblique stroke put between the year and the job.
  • Level of description
    sub-fonds